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All Journal Jurnal Teknik Mesin Jurnal Teknologi Prosiding Semnastek Indonesian Journal of Science and Technology Jurnal Penjaminan Mutu CARADDE: Jurnal Pengabdian Kepada Masyarakat JATI EMAS (Jurnal Aplikasi Teknik dan Pengabdian Masyarakat) Quantum Teknika Teknomekanik Community Empowerment Jurnal Teknik Mesin Mechanical Engineering for Society and Industry Automotive Experiences Prosiding Seminar Nasional Program Pengabdian Masyarakat Urecol Journal. Part D: Applied Sciences Prosiding University Research Colloquium Borobudur Engineering Review Jurnal Penjaminan Mutu Advance Sustainable Science, Engineering and Technology (ASSET) Jati Emas (Jurnal Aplikasi Teknik dan Pengabdian Masyarakat)
Bagiyo Condro Purnomo
Universitas Muhammadiyah Magelang
Aerospace Engineering Agriculture, Biological Sciences & Forestry Arts Humanities Automotive Engineering Chemical Engineering, Chemistry & Bioengineering Chemistry Civil Engineering, Building, Construction & Architecture Computer Science & IT Control & Systems Engineering Decision Sciences, Operations Research & Management Earth & Planetary Sciences Economics, Econometrics & Finance Education Electrical & Electronics Engineering Energy Engineering Environmental Science Industrial & Manufacturing Engineering Law, Crime, Criminology & Criminal Justice Materials Science & Nanotechnology Mechanical Engineering Medicine & Pharmacology Physics Public Health Social Sciences Transportation Other

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Journal : Quantum Teknika

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Karakteristik Refrigeran Musicool Dalam Mesin Refrigerasi Kompresi Uap Menggunakan Evaporator Ganda Purnomo, Bagiyo Condro; Widodo, Noto; Munahar, Suroto; Nugroho, Dimas
Quantum Teknika : Jurnal Teknik Mesin Terapan Vol 1, No 2 (2020): April
Publisher : Universitas Muhammadiyah Yogyakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.18196/jqt.010208

Abstract

Musicool is an alternative refrigerant developed as a working fluid in a steam compression refrigeration system. Musicool has many advantages compared to conventional refrigerants, the advantage is that it is environmentally friendly. This study aims to determine the characteristics of musicool 134 on a steam compression refrigeration machine using a double evaporator. The test is done by comparing the characteristics of a single evaporator refrigeration machine and a double evaporator using musicool 134. The research variable is the air flow through the evaporator that is equal to 0.022 kg / s, 0.027 kg / s, 0.033 kg / s. The test data is taken by measuring the temperature and pressure of each component in the refrigeration machine, then using the P-h diagram musicool 134, to determine the performance of the refrigeration machine. The results of the study provide information that the use of a double evaporator will give rise to an improved refrigeration system performance compared to using a single evaporator.
Pengaruh Tekanan Kompresi Terhadap Daya dan Torsi Pada Engine Single Piston Purnomo, Bagiyo Condro; Munahar, Suroto
Quantum Teknika : Jurnal Teknik Mesin Terapan Vol 1, No 1 (2019): October
Publisher : Universitas Muhammadiyah Yogyakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.18196/jqt.010103

Abstract

LPG is an alternative fuel as fuel oil (BBM) which has a higher octane and energy value compared to BBM, and produces lower exhaust emissions. However, engine performance has decreased. This research presents an analysis of the performance of a single piston 4-stroke LPG engine with changes in compression pressure. Tests were carried out to determine the power and torque with variable pressure compression of  9 bar, 9.5 bar and 10 bar. The test results show that a single piston 4-stroke LPG engine with 9 Bar compression pressure produces a maximum torque of  9.77 Nm at 3380 rpm and a maximum power of 6.7 HP at 5870 rpm. Whereas the 10 Bar compression pressure produces a maximum torque value of 10.79 Nm at 3689 rpm and a maximum power of 6.9 hp at 5936 rpm. The conclusion of this research is that the higher the engine compression pressure, the higher the thermal efficiency in the combustion chamber so that engine performance increases
Co-Authors Agung Setyo Pambudi Ahmad Irfan An'nisa Sholihah Andi Widiyanto Andi Widiyanto Andi Widiyanto Andi Widiyanto Anindito, Dhimas Cahyo Anisa Hakim Purwantini Bagas Arif Prasetyo Baginda Pangidoan Tanjung Bambang Hadi Priyanto Budi Waluyo Budi Waluyo Darmawan Rois Dhimas Cahyo Anindito Dhimas Cahyo Anindito Dimas Nugroho Dimas Riki Romadhon Dwi Ahmad Rizani Dwi Restianto Eko Muh Widodo Fungky Dyan Pertiwi Fungky Dyan Pertiwi Hamid Saifudin Hasan Köten Heru Adi Nugroho Hindratmo, Dimas Bayu Ilham Habibi Ilham Habibi, Ilham Indra Bayu Pangestu Indra Chandra Setiawan Khoirul Fa’i Kolakoti, Aditya Laksono Trisnantoro Lalank Samudra Mukti Hidayat Lilik Budiyarto Lintang Muliawanti Luthfi, Akbar Moch. Imron Rosyidi Moehamad Aman Muchammad Muhammad Iqbal Al-Fikri Muhammad Latifur Rochman Muhammad Mauludin Kharim Muji Setiyo Muji Setiyo Muji Setyo Nanda Ferdiansyah Nofa Ardana Noto Widodo Noto Widodo Noto Widodo Nugroho, Heru Adi Nur Hidayatulloh Nur Muhammad Rosyada Nurma Styarini Prasasti Bayu Aji Pramono Prasetyo, Bagas Arif Priyanto, Bambang Hadi Rahmawan, Muhammad Andi Refaldy Pristiwantoro Resti Yunian Rifky Ismail Riyan Adhy Pratama Riyan Tri Aditya Pamungkas Rizani, Dwi Ahmad Rochiyati Murniningsih, Rochiyati Rochman, Muhamad Latifur Rusdjijati, Retno Saifudin Saifudin Saifudin Saifudin Satrio Wicaksono, Akbar Setiawan, Indra Chandra Setyo Widiantoro Setyo, Muji Sirajuddin Sirajuddin SK Rizky Wibowo Sri Hartini Suroto Munahar Suroto Munahar Suroto Munahar Wahyu Danu Romadlon Widha Bagus Fahriansyah Yun Arifatul Fatimah